#include <boost/algorithm/string.hpp>
#include <ctype.h>
#include <errno.h>
-#include <fstream>
-#include <queue>
-#include <unordered_map>
#include <wchar.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(replay,xbt,"Replay trace reader");
+bool is_replay_active = false;
+
namespace simgrid {
namespace xbt {
-bool is_replay_active = false;
-typedef std::vector<std::string> ReplayAction;
+std::ifstream* action_fs = nullptr;
+std::unordered_map<std::string, action_fun> action_funs;
-bool replay_is_active()
+static void read_and_trim_line(std::ifstream* fs, std::string* line)
{
- return is_replay_active;
+ std::getline(*fs, *line);
+ boost::trim(*line);
+ XBT_DEBUG("got from trace: %s", line->c_str());
}
class ReplayReader {
bool ReplayReader::get(ReplayAction* action)
{
- std::getline(*fs, line);
- boost::trim(line);
- XBT_DEBUG("got from trace: %s", line.c_str());
+ read_and_trim_line(fs, &line);
linenum++;
if (line.length() > 0 && line.find("#") == std::string::npos) {
return this->get(action);
}
}
-std::ifstream* action_fs = nullptr;
-}
-}
-
-std::unordered_map<std::string, action_fun> xbt_action_funs;
-xbt_dict_t xbt_action_queues = nullptr;
-
-bool is_replay_active = false;
-
-static simgrid::xbt::ReplayAction* action_get_action(char* name);
-
-/**
- * \ingroup XBT_replay
- * \brief Registers a function to handle a kind of action
- *
- * Registers a function to handle a kind of action
- * This table is then used by \ref xbt_replay_action_runner
- *
- * The argument of the function is the line describing the action, fields separated by spaces.
- *
- * \param action_name the reference name of the action.
- * \param function prototype given by the type: void...(const char** action)
- */
-void xbt_replay_action_register(const char *action_name, action_fun function)
-{
- if (!is_replay_active) // If the user registers a function before the start
- _xbt_replay_action_init();
- xbt_action_funs.insert({std::string(action_name), function});
-}
-
-void _xbt_replay_action_init()
+void replay_init()
{
if (!is_replay_active) {
- xbt_action_queues = xbt_dict_new_homogeneous(nullptr);
is_replay_active = true;
}
}
-void _xbt_replay_action_exit()
+void replay_exit()
{
- xbt_dict_free(&xbt_action_queues);
- xbt_action_queues = nullptr;
}
-/**
- * \ingroup XBT_replay
- * \brief function used internally to actually run the replay
-
- * \param argc argc .
- * \param argv argv
- */
-int xbt_replay_action_runner(int argc, char *argv[])
+bool replay_is_active()
{
- if (simgrid::xbt::action_fs) { // A unique trace file
- while (true) {
- simgrid::xbt::ReplayAction* evt = action_get_action(argv[0]);
- if (evt == nullptr)
- break;
-
- char** args = new char*[evt->size() + 1];
- int i = 0;
- for (auto arg : *evt) {
- args[i] = xbt_strdup(arg.c_str());
- i++;
- }
- args[i] = nullptr;
- action_fun function = xbt_action_funs.at(evt->at(1));
-
- try {
- function(args);
- }
- catch(xbt_ex& e) {
- xbt_die("Replay error :\n %s", e.what());
- }
- for (unsigned int j = 0; j < evt->size(); j++)
- xbt_free(args[j]);
- delete[] args;
- delete evt;
- }
- } else { // Should have got my trace file in argument
- simgrid::xbt::ReplayAction* evt = new simgrid::xbt::ReplayAction();
- xbt_assert(argc >= 2,
- "No '%s' agent function provided, no simulation-wide trace file provided, "
- "and no process-wide trace file provided in deployment file. Aborting.", argv[0]
- );
- simgrid::xbt::ReplayReader* reader = new simgrid::xbt::ReplayReader(argv[1]);
- while (reader->get(evt)) {
- if (evt->at(0).compare(argv[0]) == 0) {
- char** args = new char*[evt->size() + 1];
- int i = 0;
- for (auto arg : *evt) {
- args[i] = xbt_strdup(arg.c_str());
- i++;
- }
- args[i] = nullptr;
- action_fun function = xbt_action_funs.at(evt->at(1));
- try {
- function(args);
- } catch(xbt_ex& e) {
- for (unsigned int j = 0; j < evt->size(); j++)
- xbt_free(args[j]);
- delete[] args;
- evt->clear();
- xbt_die("Replay error on line %d of file %s :\n %s", reader->linenum, reader->filename_, e.what());
- }
- for (unsigned int j = 0; j < evt->size(); j++)
- xbt_free(args[j]);
- delete[] args;
- } else {
- XBT_WARN("%s:%d: Ignore trace element not for me", reader->filename_, reader->linenum);
- }
- evt->clear();
- }
- delete evt;
- delete reader;
- }
- return 0;
+ return is_replay_active;
}
-static simgrid::xbt::ReplayAction* action_get_action(char* name)
+static ReplayAction* get_action(char* name)
{
- simgrid::xbt::ReplayAction* action;
+ ReplayAction* action;
- std::queue<simgrid::xbt::ReplayAction*>* myqueue =
- (std::queue<simgrid::xbt::ReplayAction*>*)xbt_dict_get_or_null(xbt_action_queues, name);
- if (myqueue == nullptr || myqueue->empty()) { // nothing stored for me. Read the file further
- if (simgrid::xbt::action_fs == nullptr) { // File closed now. There's nothing more to read. I'm out of here
+ std::queue<ReplayAction*>* myqueue = nullptr;
+ if (action_queues.find(std::string(name)) != action_queues.end())
+ myqueue = action_queues.at(std::string(name));
+ if (myqueue == nullptr || myqueue->empty()) { // Nothing stored for me. Read the file further
+ if (action_fs == nullptr) { // File closed now. There's nothing more to read. I'm out of here
goto todo_done;
}
// Read lines until I reach something for me (which breaks in loop body) or end of file reached
- while (!simgrid::xbt::action_fs->eof()) {
+ while (!action_fs->eof()) {
std::string action_line;
- std::getline(*simgrid::xbt::action_fs, action_line);
- // cleanup and split the string I just read
- boost::trim(action_line);
- XBT_DEBUG("got from trace: %s", action_line.c_str());
+ read_and_trim_line(action_fs, &action_line);
if (action_line.length() > 0 && action_line.find("#") == std::string::npos) {
/* we cannot split in place here because we parse&store several lines for the colleagues... */
- action = new simgrid::xbt::ReplayAction();
+ action = new ReplayAction();
boost::split(*action, action_line, boost::is_any_of(" \t"), boost::token_compress_on);
// if it's for me, I'm done
return action;
} else {
// Else, I have to store it for the relevant colleague
- std::queue<simgrid::xbt::ReplayAction*>* otherqueue =
- (std::queue<simgrid::xbt::ReplayAction*>*)xbt_dict_get_or_null(xbt_action_queues, evtname.c_str());
+ std::queue<ReplayAction*>* otherqueue = nullptr;
+ if (action_queues.find(evtname) != action_queues.end())
+ otherqueue = action_queues.at(evtname);
if (otherqueue == nullptr) { // Damn. Create the queue of that guy
- otherqueue = new std::queue<simgrid::xbt::ReplayAction*>();
- xbt_dict_set(xbt_action_queues, evtname.c_str(), otherqueue, nullptr);
+ otherqueue = new std::queue<ReplayAction*>();
+ action_queues.insert({evtname, otherqueue});
}
otherqueue->push(action);
}
todo_done:
if (myqueue != nullptr) {
delete myqueue;
- xbt_dict_remove(xbt_action_queues, name);
+ action_queues.erase(std::string(name));
}
return nullptr;
}
+
+static void handle_action(ReplayAction* action)
+{
+ XBT_DEBUG("%s replays a %s action", action->at(0).c_str(), action->at(1).c_str());
+ char** c_action = new char*[action->size() + 1];
+ action_fun function = action_funs.at(action->at(1));
+ int i = 0;
+ for (auto arg : *action) {
+ c_action[i] = xbt_strdup(arg.c_str());
+ i++;
+ }
+ c_action[i] = nullptr;
+ try {
+ function(c_action);
+ } catch (xbt_ex& e) {
+ for (unsigned int j = 0; j < action->size(); j++)
+ xbt_free(c_action[j]);
+ delete[] c_action;
+ action->clear();
+ xbt_die("Replay error:\n %s", e.what());
+ }
+ for (unsigned int j = 0; j < action->size(); j++)
+ xbt_free(c_action[j]);
+ delete[] c_action;
+}
+
+/**
+ * \ingroup XBT_replay
+ * \brief function used internally to actually run the replay
+
+ * \param argc argc .
+ * \param argv argv
+ */
+int replay_runner(int argc, char* argv[])
+{
+ if (simgrid::xbt::action_fs) { // A unique trace file
+ while (true) {
+ simgrid::xbt::ReplayAction* evt = simgrid::xbt::get_action(argv[0]);
+ if (evt == nullptr)
+ break;
+ simgrid::xbt::handle_action(evt);
+ delete evt;
+ }
+ } else { // Should have got my trace file in argument
+ simgrid::xbt::ReplayAction* evt = new simgrid::xbt::ReplayAction();
+ xbt_assert(argc >= 2, "No '%s' agent function provided, no simulation-wide trace file provided, "
+ "and no process-wide trace file provided in deployment file. Aborting.",
+ argv[0]);
+ simgrid::xbt::ReplayReader* reader = new simgrid::xbt::ReplayReader(argv[1]);
+ while (reader->get(evt)) {
+ if (evt->at(0).compare(argv[0]) == 0) {
+ simgrid::xbt::handle_action(evt);
+ } else {
+ XBT_WARN("%s:%d: Ignore trace element not for me", reader->filename_, reader->linenum);
+ }
+ evt->clear();
+ }
+ delete evt;
+ delete reader;
+ }
+ return 0;
+}
+}
+}
+
+/**
+ * \ingroup XBT_replay
+ * \brief Registers a function to handle a kind of action
+ *
+ * Registers a function to handle a kind of action
+ * This table is then used by \ref xbt_replay_action_runner
+ *
+ * The argument of the function is the line describing the action, fields separated by spaces.
+ *
+ * \param action_name the reference name of the action.
+ * \param function prototype given by the type: void...(const char** action)
+ */
+void xbt_replay_action_register(const char* action_name, action_fun function)
+{
+ if (!is_replay_active) // If the user registers a function before the start
+ simgrid::xbt::replay_init();
+ simgrid::xbt::action_funs.insert({std::string(action_name), function});
+}
